28265328

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:756

約数の個数: 160

約数和(自身を含む): 99993600

約数和(自身を除く): 71728272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 546, 624, 702, 719, 728, 756, 819, 936, 1008, 1092, 1404, 1438, 1456, 1512, 1638, 1872, 2157, 2184, 2457, 2808, 2876, 3024, 3276, 4314, 4368, 4914, 5033, 5616, 5752, 6471, 6552, 8628, 9347, 9828, 10066, 11504, 12942, 13104, 15099, 17256, 18694, 19413, 19656, 20132, 25884, 28041, 30198, 34512, 37388, 38826, 39312, 40264, 45297, 51768, 56082, 60396, 65429, 74776, 77652, 80528, 84123, 90594, 103536, 112164, 120792, 130858, 135891, 149552, 155304, 168246, 181188, 196287, 224328, 241584, 252369, 261716, 271782, 310608, 336492, 362376, 392574, 448656, 504738, 523432, 543564, 588861, 672984, 724752, 785148, 1009476, 1046864, 1087128, 1177722, 1345968, 1570296, 1766583, 2018952, 2174256, 2355444, 3140592, 3533166, 4037904, 4710888, 7066332, 9421776, 14132664, 28265328]

約数ペア:

[(1, 28265328), (2, 14132664), (3, 9421776), (4, 7066332), (6, 4710888), (7, 4037904), (8, 3533166), (9, 3140592), (12, 2355444), (13, 2174256), (14, 2018952), (16, 1766583), (18, 1570296), (21, 1345968), (24, 1177722), (26, 1087128), (27, 1046864), (28, 1009476), (36, 785148), (39, 724752), (42, 672984), (48, 588861), (52, 543564), (54, 523432), (56, 504738), (63, 448656), (72, 392574), (78, 362376), (84, 336492), (91, 310608), (104, 271782), (108, 261716), (112, 252369), (117, 241584), (126, 224328), (144, 196287), (156, 181188), (168, 168246), (182, 155304), (189, 149552), (208, 135891), (216, 130858), (234, 120792), (252, 112164), (273, 103536), (312, 90594), (336, 84123), (351, 80528), (364, 77652), (378, 74776), (432, 65429), (468, 60396), (504, 56082), (546, 51768), (624, 45297), (702, 40264), (719, 39312), (728, 38826), (756, 37388), (819, 34512), (936, 30198), (1008, 28041), (1092, 25884), (1404, 20132), (1438, 19656), (1456, 19413), (1512, 18694), (1638, 17256), (1872, 15099), (2157, 13104), (2184, 12942), (2457, 11504), (2808, 10066), (2876, 9828), (3024, 9347), (3276, 8628), (4314, 6552), (4368, 6471), (4914, 5752), (5033, 5616)]